I'll go ahead and start a thread for this even though an estimate of the floor count based on what we know now is only ~20-stories. Here's the project description from the Design Intake filing:
"260 key hotel and 3,000 SF restaurant located at the southwest corner of 5th and Trinity"
No site plan has been filed, but here's the Design Intake filing:
https://abc.austintexas.gov/public-s...ertyrsn=166346
Here's the site. It includes both Trinity Hall and Russia House, and the Historic Landmark Commission approved the Demo in January.